Nonlinear behaviors in a voltage-mode controlled half-bridge buck converter via varying load resistance

This paper studies the nonlinear behaviors of the half-bridge buck converter when the load resistance changes. The characteristics of the study are considered as the inductor current in the continuous conduction mode. Firstly, the converter is equivalent to two switching states and is derived into t...

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Published inProceedings (International Conference on Machine Learning and Cybernetics.) Vol. 2; pp. 627 - 631
Main Authors Fei-Hu Hsieh, Hen-Kung Wang, Po-Lun Chang, Sheng-Hsiung Lin
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2014
Subjects
Abstracts
Capacitors
Chaos
Half-bridge buck converter
MATLAB
Nonlinear behavior
Phase portrait
Online AccessGet full text
ISBN1479942162
9781479942169
ISSN2160-133X
DOI10.1109/ICMLC.2014.7009681

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Abstract This paper studies the nonlinear behaviors of the half-bridge buck converter when the load resistance changes. The characteristics of the study are considered as the inductor current in the continuous conduction mode. Firstly, the converter is equivalent to two switching states and is derived into the equivalent mathematical model. According to this model, using MATLAB/ SIMULINK tool to build a half-bridge buck converter block diagram for simulation. When the load resistance changes as the varying parameter in the converter, this paper observes the time-domain waveforms and phase portraits of steady-state to period-doubling bifurcation into chaos. The nonlinear phenomena of converter are verified through simulation results.
AbstractList This paper studies the nonlinear behaviors of the half-bridge buck converter when the load resistance changes. The characteristics of the study are considered as the inductor current in the continuous conduction mode. Firstly, the converter is equivalent to two switching states and is derived into the equivalent mathematical model. According to this model, using MATLAB/ SIMULINK tool to build a half-bridge buck converter block diagram for simulation. When the load resistance changes as the varying parameter in the converter, this paper observes the time-domain waveforms and phase portraits of steady-state to period-doubling bifurcation into chaos. The nonlinear phenomena of converter are verified through simulation results.
Author Fei-Hu Hsieh
Hen-Kung Wang
Po-Lun Chang
Sheng-Hsiung Lin
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  surname: Po-Lun Chang
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  surname: Sheng-Hsiung Lin
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  email: ms052151O@icloud.com
  organization: Dept. of Electr. Eng., Lunghwa Univ. of Sci. & Technol., Taoyuan, Taiwan
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Snippet This paper studies the nonlinear behaviors of the half-bridge buck converter when the load resistance changes. The characteristics of the study are considered...
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SubjectTerms Abstracts
Capacitors
Chaos
Half-bridge buck converter
MATLAB
Nonlinear behavior
Phase portrait
Title Nonlinear behaviors in a voltage-mode controlled half-bridge buck converter via varying load resistance
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